Black fiberglass reinforced polyester injection molded case. Black dive strap made of Arnitel with stainless steel buckle. Green dial. Date displays at 3 o'clock position. Stainless steel plate case back secured with stainless steel screws. EOL feature. 4 year battery life. Unidirectional ratcheted bezel features bright traser dot encased in aluminum housing protected by sapphire glass window. Tempered scratch resistant mineral glass crystal. Quartz movement. Double gasket crown/stem confers water resistance at 200 meters (660 feet). Designed in conjunction with and supplied to US Navy SEAL teams; rigorous testing earned it official qualification for use in the US Navy and US Army. Meets military specifications of all branches of the US Armed Forces (MIL Spec # W-4637 4F). Luminox 3000 Original Navy SEAL Dive Series Green Mens Watch 3017